Local Calling Guide

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NPA: 571 [Rate centres in NPA 571] [Dial plan for NPA 571]

NXX: 727

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-727 A Lorton VA ARTNVAARXJY  516J TON80 COMMUNICATIONS, LLC 236      
571-727 0 Lorton VA   138E ONVOY, LLC - VA 236   2023-08-24   
571-727 1 Lorton VA   073H TELNYX LLC 236   2024-03-11   
571-727 2 Lorton VA   516J TON80 COMMUNICATIONS, LLC 236   2022-04-27   
571-727 3 Lorton VA   138E ONVOY, LLC - VA 236   2022-09-29   
571-727 5 Lorton VA   073H TELNYX LLC 236   2025-06-30   
571-727 6 Lorton VA   515J IP HORIZON LLC 236   2024-12-26   
571-727 7 Lorton VA   515J IP HORIZON LLC 236   2024-12-26   
571-727 8 Lorton VA   515J IP HORIZON LLC 236   2024-06-29   
571-727 9 Lorton VA   515J IP HORIZON LLC 236   2024-06-29   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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